Seiko Cal. 5642 - 902

The Seiko 5642-902 represents an important milestone in Seiko's 1987 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-691e12803484]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1987

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